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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "net/url_request/url_request_context.h"
      6 
      7 #include "base/compiler_specific.h"
      8 #include "base/debug/alias.h"
      9 #include "base/debug/stack_trace.h"
     10 #include "base/strings/string_util.h"
     11 #include "net/cookies/cookie_store.h"
     12 #include "net/dns/host_resolver.h"
     13 #include "net/http/http_transaction_factory.h"
     14 #include "net/url_request/http_user_agent_settings.h"
     15 #include "net/url_request/url_request.h"
     16 
     17 namespace net {
     18 
     19 URLRequestContext::URLRequestContext()
     20     : net_log_(NULL),
     21       host_resolver_(NULL),
     22       cert_verifier_(NULL),
     23       server_bound_cert_service_(NULL),
     24       fraudulent_certificate_reporter_(NULL),
     25       http_auth_handler_factory_(NULL),
     26       proxy_service_(NULL),
     27       network_delegate_(NULL),
     28       http_user_agent_settings_(NULL),
     29       transport_security_state_(NULL),
     30       http_transaction_factory_(NULL),
     31       job_factory_(NULL),
     32       throttler_manager_(NULL),
     33       url_requests_(new std::set<const URLRequest*>) {
     34 }
     35 
     36 URLRequestContext::~URLRequestContext() {
     37   AssertNoURLRequests();
     38 }
     39 
     40 void URLRequestContext::CopyFrom(const URLRequestContext* other) {
     41   // Copy URLRequestContext parameters.
     42   set_net_log(other->net_log_);
     43   set_host_resolver(other->host_resolver_);
     44   set_cert_verifier(other->cert_verifier_);
     45   set_server_bound_cert_service(other->server_bound_cert_service_);
     46   set_fraudulent_certificate_reporter(other->fraudulent_certificate_reporter_);
     47   set_http_auth_handler_factory(other->http_auth_handler_factory_);
     48   set_proxy_service(other->proxy_service_);
     49   set_ssl_config_service(other->ssl_config_service_.get());
     50   set_network_delegate(other->network_delegate_);
     51   set_http_server_properties(other->http_server_properties_);
     52   set_cookie_store(other->cookie_store_.get());
     53   set_transport_security_state(other->transport_security_state_);
     54   set_http_transaction_factory(other->http_transaction_factory_);
     55   set_job_factory(other->job_factory_);
     56   set_throttler_manager(other->throttler_manager_);
     57   set_http_user_agent_settings(other->http_user_agent_settings_);
     58 }
     59 
     60 const HttpNetworkSession::Params* URLRequestContext::GetNetworkSessionParams(
     61     ) const {
     62   HttpTransactionFactory* transaction_factory = http_transaction_factory();
     63   if (!transaction_factory)
     64     return NULL;
     65   HttpNetworkSession* network_session = transaction_factory->GetSession();
     66   if (!network_session)
     67     return NULL;
     68   return &network_session->params();
     69 }
     70 
     71 URLRequest* URLRequestContext::CreateRequest(
     72     const GURL& url, URLRequest::Delegate* delegate) const {
     73   return new URLRequest(url, delegate, this, network_delegate_);
     74 }
     75 
     76 void URLRequestContext::set_cookie_store(CookieStore* cookie_store) {
     77   cookie_store_ = cookie_store;
     78 }
     79 
     80 std::string URLRequestContext::GetAcceptLanguage() const {
     81   return http_user_agent_settings_ ?
     82       http_user_agent_settings_->GetAcceptLanguage() : EmptyString();
     83 }
     84 
     85 std::string URLRequestContext::GetUserAgent(const GURL& url) const {
     86   return http_user_agent_settings_ ?
     87       http_user_agent_settings_->GetUserAgent(url) : EmptyString();
     88 }
     89 
     90 void URLRequestContext::AssertNoURLRequests() const {
     91   int num_requests = url_requests_->size();
     92   if (num_requests != 0) {
     93     // We're leaking URLRequests :( Dump the URL of the first one and record how
     94     // many we leaked so we have an idea of how bad it is.
     95     char url_buf[128];
     96     const URLRequest* request = *url_requests_->begin();
     97     base::strlcpy(url_buf, request->url().spec().c_str(), arraysize(url_buf));
     98     bool has_delegate = request->has_delegate();
     99     int load_flags = request->load_flags();
    100     base::debug::StackTrace stack_trace(NULL, 0);
    101     if (request->stack_trace())
    102       stack_trace = *request->stack_trace();
    103     base::debug::Alias(url_buf);
    104     base::debug::Alias(&num_requests);
    105     base::debug::Alias(&has_delegate);
    106     base::debug::Alias(&load_flags);
    107     base::debug::Alias(&stack_trace);
    108     CHECK(false) << "Leaked " << num_requests << " URLRequest(s). First URL: "
    109                  << request->url().spec().c_str() << ".";
    110   }
    111 }
    112 
    113 }  // namespace net
    114